(19)

(11)

EP 3 033 595 A2

(12)

(88) Date of publication A3: 07.05.2015 (43) Date of publication: 22.06.2016 Bulletin 2016/25 (21) Application number: 14766754.7 (22) Date of filing: 12.08.2014

(51) International Patent Classification (IPC):  G01D 5/20(2006.01) G01D 18/00(2006.01) (86) International application number: PCT/GB2014/052460 (87) International publication number: WO 2015/022516 (19.02.2015 Gazette 2015/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 12.08.2013 GB 201314405 23.01.2014 GB 201401167 (71) Applicant: GDE Technology Ltd Cambridge, Cambridgeshire CB2 9NB (GB)	(72) Inventor: ZHITOMIRSKY, Victor Cambridge Cambridgeshire CB2 9NB (GB) (74) Representative: MacDougall, Alan John Shaw et al Mathys & Squire LLP The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)